Plastic bottle



FIG. 1 is a perspective view of a plastic bottle according to the present design;

FIG. 2 is a front elevational view of the plastic bottle of FIG. 1;

FIG. 3 is a top view of the plastic bottle of FIG. 1; and,

FIG. 4 is bottom view of the plastic bottle of FIG. 1.

The broken lines shown in the drawing views are included for the purpose of showing environmental structure that forms no part of the claimed design. 

I claim the ornamental design for a plastic bottle, as shown and described. 